to come to one's attention especially gradually or unexpectedlya new issue has just cropped up in the campaign
a new issue has just cropped up in the campaign
arose, came up, emerged, materialized, sprang (up)(or sprung (up)), surfaced
appeared, came out, showed up, turned upcame, came about, chanced, fell out, happed, happened, occurred, passed, transpired, went off, went (on)interfered, interposed, intervened, intruded
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。